Home / 2,001.12-2,997.28-1,650.50

Finding the Fourth Proportional to 2,001.12, 2,997.28 and 1,650.50

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Solution

The fourth proportional to 2,001.12, 2,997.28 and 1,650.50 is: 2,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.12 : 2,997.28 = 1,650.50 : x
  2. Step 2: Convert to fraction form
    2,001.12/2,997.28 = 1,650.50/x
  3. Step 3: Cross multiply
    2,001.12x = 2,997.28 × 1,650.50
  4. Step 4: Simplify right side
    2,001.12x = 4,947,010.64
  5. Step 5: Solve for x
    x = 4,947,010.64/2,001.12
  6. Step 6: Final answer
    x = 2,472.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.